CVE-2026-86848 DPDK lib/vhost - Out of Bounds Read/Write

DPDK lib/vhost vhost-crypto contains an out-of-bounds access caused by indirect-descriptor snapshot double-fetching a guest descriptor next index, letting malicious guests cause memory corruption, exploit requires malicious guest access.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Out of Bounds Read/Write
Impact
Denial Of Service, Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-367

Vendor fix

Update to the latest version of DPDK containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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